.grid-layout {
  position: relative;
}
.grid-layout .box2,
.grid-layout .box3 {
  float: left;
  padding: 0;
  margin: 0;
  position: relative;
}

.grid-layout .box2 {
  width: 50%;
}
.grid-layout .box3 {
  width: 30%;
}

.grid-layout .inner {
  height: 15em;
  overflow: auto;

  margin: 0.3em;
  padding: 10px;
  border-radius: 4px;
  border: 1px solid #ccc;
  transition: 0.5s;
  -webkit-transition: 0.5s;
  -khtml-transition: 0.5s;
  -moz-transition: 0.5s;
  -o-transition: 0.5s;
}
.grid-layout .box2 .inner:hover {
  box-shadow: 0 0 10px #ccc;
}

